Răspuns:
Explicație pas cu pas:
complementul ; 90-20=70 ; 90-72=18 ;l 89°60'-72°14'=17°46' suplementul ; 180-20=160 ; 180-72=108 ; 180-137=43 ; 179°60'-102°40'=77°20' ; 179°59'60"-101°12'30"=78°47'30"
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Răspuns:
Explicație pas cu pas:
complementul ; 90-20=70 ; 90-72=18 ;l 89°60'-72°14'=17°46' suplementul ; 180-20=160 ; 180-72=108 ; 180-137=43 ; 179°60'-102°40'=77°20' ; 179°59'60"-101°12'30"=78°47'30"